Product DescriptionBrief introduction of chemical oxygen
demandCOD (Chemical Oxygen Demand) is a chemical method to measure
the amount of reducing substances that need to be oxidized in a
water sample. Waste water, waste water treatment plant effluent and
contaminated water, can be strong oxidant oxidation of substances
(usually organic) oxygen equivalent. It is an important and faster
method for the determination of organic pollutants in the study of
river pollution and the nature of industrial wastewater and the
operation and management of wastewater treatment plants, often
expressed in symbolic COD.Features of NANBEI chemical oxygen
demand :English language menu and LCD display for easy useIt
adopts dichromate colorimetric method.Direct reading of COD results
and no need to analyze by other means such as titration.2 point
calibration (zero COD and full scale calibration)Measuring results
can be viewed, deleted and printed. Up to 200 sets of measuring
datacan be stored and it can be connected with TP-16
printer.It adopts digestion method of sealing reflux and can
conduct simultaneous digestion of 21 samples for low energy
consumption.The digestion temperature can be adjusted from ambient
temperature to 165ºC. Also, it is equipped with over
temperature alarming system.The digestion time can be set from 0 to
120 min. It will be power off after response.Product
Parameters ModelSpecificationCOD-571RangeCOD0~1500mg/LElectrolysis
current divide-AccuracyBasic
accuracy≤150mg/L: ±8% reading ±1
mg/L;≥150mg/L: ±8% readingRepeatability3%
readingStability±2% (reading )/15minMeasuring
PrincipleDichromate colorimetric methodDigestion MethodSealing
reflux method(could dispelling 21 samples simultaneously)Digestion
TemperatureRoom-temperature~165ºCDigestion
Time0~120minCalibrationTwo-point calibration (zero and full scale
calibration)Data Storage200 data with time-and-date stampView,
delete & printYesDisplayLCDPowerAC(220±22)V, (50±1)HzDimension
(mm),Weight(kg)270×280×125, 2Recommend
productsCertificationsPackaging & ShippingCompany ProfileFAQQ1: Why
Choose NANBEI ?(1).Professional manufacturer with more than 13
years experience(2).Exported to more than 97% Countries(3).Turnkey
Solution is no problemQ2:OEM,ODM acceptable or not?Absolutely
YesQ3:What's kind of Payment terms for customer choosing?T/T
,Western Union, Money Gram , Credit Card, Paypal , L/C ...Q4:Can
you visit your factory online?Absolutely no problemQ5:Can online
video inspection before shipment?Absolutely no problemQ6: what's
the MOQ ? Sample order is OK?MOQ:1 set, sample order is no
problemQ7:What's kind of shipment for customer choosing?Usually
ship by sea, by air, by international express .We can also provide
reasonable solutions according to your transportation
requirementsQ8:How to ensure product quality and after-sales
service?We have CE, ISO quality certificate, and SGS
authentication.After-sale service:1. Warranty : 1 year2. We supply
free part for quality problem in warranty3. Long life technical
support and service/* January 22, 2024 19:08:37
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a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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